| CAS No. | 172939-67-2 |
| Molecular Formula | C41H40N2O12 |
| Molecular Weight | 752.76 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
As a certified reference material (CRM), 172939-67-2 3-O-Benzoyl-N-acetyl-|A-D-galactosaminyl-1-O-N-(Fmoc)serine Phenacylester O-[2-(Acetylamino)-3-O-benzoyl-2-deoxy-|A-D-galactopyranosyl]-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-serine 2-Oxo-2-phenylethyl Ester meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
172939-67-2 3-O-Benzoyl-N-acetyl-|A-D-galactosaminyl-1-O-N-(Fmoc)serine Phenacylester O-[2-(Acetylamino)-3-O-benzoyl-2-deoxy-|A-D-galactopyranosyl]-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-serine 2-Oxo-2-phenylethyl Ester (CAS 172939-67-2), molecular formula C41H40N2O12 and molecular weight 752.76 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 172939-67-2 3-O-Benzoyl-N-acetyl-|A-D-galactosaminyl-1-O-N-(Fmoc)serine Phenacylester O-[2-(Acetylamino)-3-O-benzoyl-2-deoxy-|A-D-galactopyranosyl]-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-serine 2-Oxo-2-phenylethyl Ester (C41H40N2O12) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 23.0, corresponding to approximately 23 ring(s) or double-bond equivalent(s). With a molecular weight of 752.76 g/mol, it falls into the high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
| Molecular Formula | C41H40N2O12 |
| Molecular Weight | 752.76 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 23.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2006 |
| Nitrogen Atoms | 2 |